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Simplifying 3x2 + 30x + 719 = 0 Reorder the terms: 719 + 30x + 3x2 = 0 Solving 719 + 30x + 3x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. 239.6666667 + 10x + x2 = 0 Move the constant term to the right: Add '-239.6666667' to each side of the equation. 239.6666667 + 10x + -239.6666667 + x2 = 0 + -239.6666667 Reorder the terms: 239.6666667 + -239.6666667 + 10x + x2 = 0 + -239.6666667 Combine like terms: 239.6666667 + -239.6666667 = 0.0000000 0.0000000 + 10x + x2 = 0 + -239.6666667 10x + x2 = 0 + -239.6666667 Combine like terms: 0 + -239.6666667 = -239.6666667 10x + x2 = -239.6666667 The x term is 10x. Take half its coefficient (5). Square it (25) and add it to both sides. Add '25' to each side of the equation. 10x + 25 + x2 = -239.6666667 + 25 Reorder the terms: 25 + 10x + x2 = -239.6666667 + 25 Combine like terms: -239.6666667 + 25 = -214.6666667 25 + 10x + x2 = -214.6666667 Factor a perfect square on the left side: (x + 5)(x + 5) = -214.6666667 Can't calculate square root of the right side. The solution to this equation could not be determined.
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